I have a multivalue select, and I want to set the restriction on number of selected items using the select2 library.
Documentation says that I should set maximumSelectionSize during the object initialization. Unfortunately, the following code doesn't work:
$(document).ready(function () {
$("#select_demo").select2({
maximumSelectionSize: 3
});
});
My html selectbox:
<div class="form-group">
<select id="select_demo" multiple="multiple" class="form-control select2 select2-container-multi">
<optgroup label="One">
<option>one</option>
<option>two</option>
<option>three</option>
<option>four</option>
</optgroup>
<optgroup label="Two">
<option>one2</option>
<option>two2</option>
</optgroup>
<optgroup label="Three">
<option>one3</option>
<option>two3</option>
<option>three3</option>
<option>four3</option>
</optgroup>
</select>
</div>
http://jsfiddle.net/x4oqL1jr/2/
What is wrong with this chunk of code?
Since the version 4.0 of select2 they have replaced maximumSelectionSize with maximumSelectionLength.
So, just change the js code in the following way:
$(document).ready(function () {
$("#select_demo").select2({
maximumSelectionLength: 3
});
});
You can find the latest documentation following this link: https://select2.github.io/examples.html#multiple-max
Everything works like a charm:
http://jsfiddle.net/4tk4hymn/1/
UPDATE: You can also add a data-maximum-selection-length="3" attribute as pointed out in the comments. For example, see http://jsfiddle.net/1b8y9uzh/.
Collected from the Internet
Please contact [email protected] to delete if infringement.
Comments